Nations agree to phase out toxic chemical HBCD

Governments have agreed to phase out the use of the toxic chemical HBCD, and restrict trade in four other dangerous substances, the head of the UN's anti-pollution division said Friday.

Researchers synthesize silicon-based quantum dots

NDSU researchers recently developed a new method of creating quantum dots made of silicon. Quantum dots, or nanocrystals, are tiny nanometer-scale pieces of semiconductor that emit light when their electrons are exposed to ...

US team tours Africa to boost bioterror safety

(AP) -- U.S. Sen. Dick Lugar peered over the 4-foot cement wall and thin strands of barbed wire that separated the deadly pathogens in Kenya's top research lab from the thousands of homes with rusted tin roofs that make ...

New life for old TV screens

Television sets have changed dramatically in recent years, with the introduction of flat-screen LCD, plasma and LED monitors. These new technologies have virtually eliminated the old-fashioned cathode ray tube (CRT) once ...

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